Business Details
47 Years
experience
Trusted Plumbing, Heating & Cooling Services in Baraboo & Portage, WI
Founded in 1979 by Gary Kowalke, Terrytown Plumbing has built a legacy of excellence serving Baraboo, Portage, and surrounding Wisconsin communities. Our journey began in a garage on Terrytown Road and expanded through strategic growth, including the 2005 acquisition of Golz Ultimate Service to enhance our HVAC capabilities. With over four decades of local expertise, we combine deep community knowledge with state-licensed professionals who exceed annual training requirements by 100%. Our full-service approach covers residential and commercial projects from small repairs to complex new constructions, supported by in-house engineering and design capabilities. We maintain a fully staffed showroom with functional product displays to help clients visualize solutions.Our 100% satisfaction guarantee extends to both parts and labor, backed by comprehensive manufacturer warranties. As a family-owned business, we prioritize transparent communication and ethical practices, ensuring every project meets strict quality standards while optimizing long-term operational efficiency. Our team's technical proficiency is matched by our commitment to handling all permitting processes for septic and well installations, simplifying complex regulatory requirements for our clients. This combination of technical excellence, community dedication, and customer-centric values has made us the preferred mechanical contractor for discerning homeowners and builders across central Wisconsin.
Services
Plumbing
Heating
Cooling
Indoor Air Quality
Septic Systems
Well Installations
Emergency Repairs
System Maintenance
Showroom Consultations
Permit Processing
Details
- Year established: 1979
Highlights and features
- 39 years of local plumbing and HVAC expertise since 1979
- Technicians exceed state training requirements by 100%
- 100% satisfaction guarantee on all installations and repairs
- Full engineering capabilities for complex projects
- Handles complete permitting process for septic and well systems
What people say
Great service
Excellent job
Timely repairs
Professional staff
Highly recommend
Services
Plumbing
Full-service residential and commercial plumbing solutions including repairs, installations, and water system maintenance. Our licensed technicians provide 24/7 emergency services and complete septic/well system installations. We guarantee all work with a one-year parts and labor warranty.
Heating & Cooling
Comprehensive heating, ventilation, and air conditioning services featuring furnace, air conditioner, and heat pump installations. We partner with leading manufacturers like Armstrong and Mitsubishi to ensure reliable climate control systems with extended equipment lifespan through proper filtration.
Indoor Air Quality
Whole-house air purification systems and humidity control solutions that remove 40+ lbs of debris from ductwork. Our Aprilaire Healthy Air System reduces allergens and viruses while extending HVAC equipment longevity through advanced filtration technology.
Septic Systems
Complete septic system design, installation, and permitting services. We handle all regulatory requirements from soil testing to county approval, ensuring compliant waste treatment solutions for rural properties with same-day installation capabilities.
Well Installations
Professional well pump installation and replacement services tailored to household size and water usage needs. We coordinate with certified drillers to establish reliable water sources while optimizing pump efficiency based on available groundwater supply.
People
Gary Kowalke
Owner
Founder of Terrytown Plumbing since 1979, Gary brings over four decades of local expertise. A lifelong Baraboo resident, he built the company on personal values of honesty and quality, maintaining hands-on involvement in complex projects and customer service.
Questions
What areas do you service?
We serve Baraboo, Portage, and surrounding Wisconsin communities including Adams, Juneau, Sauk, Marquette, Columbia, and Dane Counties.
Are your technicians licensed?
All our plumbers and HVAC technicians are state-licensed with mandatory annual continuing education exceeding state requirements.
Do you offer emergency services?
We provide prompt service for urgent plumbing and HVAC issues during regular business hours but don't offer 24/7 emergency coverage.
What payment methods do you accept?
We accept Visa, MasterCard, checks, and cash payments for all our plumbing, heating, and cooling services.
Do you handle septic permits?
Yes, we manage the complete permitting process for septic systems from soil testing through state and county approvals.
What warranties do you offer?
We provide a one-year guarantee on all parts and labor, plus full support of manufacturer warranties for installed equipment.
